This is part of the index of names on the attalus website. The names occur either in lists of events (arranged by year, from the 4th to the 1st century B.C.) or in translations of sources. There are many other sources available in translation online - for a fuller but less precise search, Search Ancient Texts. On each line there is a link to the page where the name can be found.

Eucharidas - archon of Delphi, 149/8 B.C.
Syll_585
(197-175) When the archon was Eucharidas son of Phainis {14

Eucharidas - in documents
Syll_432
(c. 265/4) s of the council were Eucharidas, Deinon, Timoge
Syll_600
(201/0) ketos son of Daminos Eucharidas son of Simos Arist
THI_24
(early 2nd cent.) : Menestratos son of Eucharidas and Dromikleidas